<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
       .container {
            position: relative;
            width: 300px;
            height: 300px;
            margin: 0 auto;
            border: 1px solid #ccc;
        }

        .circle {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) rotate(-90deg);
        }

        .ball {
            position: absolute;
            top: 0;
            left: 50%;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background-color: #f00;
            animation: rotate 5s linear infinite;
        }

@keyframes rotate {
  0% {
    transform: translate(-50%, -50%) rotate(-90deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(270deg);
  }
}

.title {
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translateX(-50%);
}
    </style>
</head>
<body>
    <div class="container">
  <div class="circle">
    <div class="ball"></div>
    <div class="ball"></div>
    <div class="ball"></div>
  </div>
  <h1 class="title">标题</h1>
</div>
</body>
</html>